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Finding the Third Proportional to 7,881,819 and 16,942,374

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Solution

The third proportional to 7,881,819 and 16,942,374 is: 36,418,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,819 : 16,942,374 = 16,942,374 : x
  2. Step 2: Convert to fraction form
    7,881,819/16,942,374 = 16,942,374/x
  3. Step 3: Cross multiply
    7,881,819x = 16,942,374 × 16,942,374
  4. Step 4: Simplify right side
    7,881,819x = 287,044,036,755,876
  5. Step 5: Solve for x
    x = 287,044,036,755,876/7,881,819
  6. Step 6: Final answer
    x = 36,418,501.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.